ADDITION CROSS WORD

1. THIS PROGRAM IS MEANT
   TO IMPROVE YOUR MENTAL
   ADDITION SKILLS.
2. FOR STARTERS CAN USE
   PAPER AND A PENCIL TO ADD
   AND AFTER THAT  PUT THE
   RESULTS YOU GET INSIDE THE
   CROSS NUMBER GRID.
3. AFTER YOU GET THE HANG OF IT
  YOU SHOULD TRY TO DO MENTAL
  ADDITION ANDSIMULTANIOUSLY
  FILL UP THE GRID AS YOU GO
  ALONG.
4. IF YOUR ADDITION IS CORRECT
   THEN THE NUMBERS IN COMMON
   SQUARES WILL MATCH.

AFTER FILLING UP PRESS THE CHECK ANSWER BUTTON.
ALL CORRECTLY FILLED NUMBERS WILL TURN GREEN.
CAUTION
THE CHECK ANSWER BUTTON WILL RESPOND ONCE ONLY.
COMPLETE THE SQUARE BEFORE YOU PRESS IT.